Deliverer for printing-presses.



C. W. HARROLD.

DELIVERER FOR PRINTING PRESSES. APPLICATION mm Firms. 19x5.

1,281,359. W Patented 00t.15,l918.

' 2 SHEETS-SHEET I.

elm/HZ? WHARROL'D v C. W. HARROLD. DELIVERER FOR PRlNTING PRESSES.APPLICATION FILED FEB-16,1915.

1,,Q8L359, Patented 0ct.15, 1918. V v I I ZSHEETS-SHEET 2.

Fry 2 H il nvmvrok.

CA/ARLEJ w. ove aw CHARLES W. H

BOLD, OF WARREN, ,OHIO, ASSIGNOR TO THE HARRIS AUTOMATIC PRESS COMP, OFNILES,-OH IO, A CORPORATION OF OHIO.

DELIVEBER FOB PRINTIBlG-PRESSES.

Specification of Letters Patent.

Patented Oct. 15 1918..

Application filed February 16, 1915;. Serial No. 8,522.

To all whom it may concern:

Be it known that I, CHARLES W. HARROLD, of Warren, in the county ofTrumbull and State of Ohio, have invented certain new and usefulImprovements in Deliverers for Printing-Presses; and I do hereby declarethe following to be a full clear, andexact description of the invention,such as will enable others skilled in the art to which it appertains tomake and use the same. i

In an application for patent Serial No. 8,523, filed February 16, 1915,by Carl G. Pritchard there is shown and described a deliverer forprinting presses whereby a sheet as is leaves the impression-cylinderpasses into a guidway, and when the tail end of the sheet is free of thepress-cylinder the direction of travel of the sheet is reversed, thesheet. according to the particular means shown in said application,passing by gravity from the guideway, tail end first, and by means ofadditional guides is discharged in an inverted or reversed position,that is to say, with its printed side up. Such deliverer is especiallyadaptable to multicolor printing presses handling sack-tubes, cardboardor other relatively stiff paper, rendering the use of complicatedconveyers unnecessary and lessening the danger of smearing.

The primary object of the present invention is to provide means forpositively discharging each sheet from the receiving guideway. In theaccompanying drawings, Figure 1 is a view in side elevation. Fig. 2 isan end view. Fig. 3 is a diagrammatic view. Fig. 4 shows a slightmodification.

Referring to the drawings, 1 and 2 designate the sides of thepress-frame; 3 the impression cylinder; 4 the type or plate-carryingcylinders; 5 guideor take-0E rolls; and 6 a shaft on which these rollsare mounted and on which they may be shifted longitudinally thereof tosuit the size of sheet or its margins. The shaft 6 is mounted inbearings 7 pivoted on studs 8 and having extended portions carryingset-screws -9 by which the movement of the guide-rolls 5 toimpressioncylinder may be limited. The strippers 10, of known contruction, aremounted on a cross-bar 11.

The upper guides by which the sheets are received as they are dischargedfrom the impression cylinder by take-ofl' rolls 5, are shown in the formof rearwardly inclined members 12 set at an angle to a vertical.

plane passing through the longitudinal axis of the impression-cylinderand carried by a fixed bar 13. The members 12 may be set at any desiredangle.

14 are cooperating guide-rolls which are mounted upon a shaft 15 uponwhich they may be, shifted longitudinally so as to be in line withtake-ofi' rolls 5. The plane of the upper guides 12 is about in linewith the point of contact of rolls 5 and 14 so that a sheet in suchguides will pass by gravity into the bite of said rolls. The shaft 15 isrotatable in bearings 16 which swing freely from a cross-bar 18, andsaid rolls 14 are normally held in contact with the take-0d rolls 5, andthe latter in contact with the impression cylinder by means of springs17 acting against bearings 16. The cross-bars 11 and 18 are fixed to theside members of an auxiliary frame 20 mounted on-a tie-rod or shaft 23supported by the press frame. By this arrangement the entire deliverymechanism may be swung down, away from the impression cylinder, to allowof access to the latter, but when in its normal position it may besecurely held by any suitable means, not shown.

The cooperating rolls 14 and their shaft 15 are positively driven bymeans of intermeshing gear wheels 19 and 24, the former being on shaft15 and the latter on a shaft 25 and driven byithe gear train of thepress.

The lower guides for reversing each sheet as it is discharged from theupper guides is shown as composed of two members 21 and 22 adjustablymounted on shaft 23, the inner end of the guide member 21 intersectingthe plane of contact between take-ofl' rolls 5 and cooperatin rolls 14.The stock as it is discharged rom the lower guides is received on'anordinary receiving-board 26 or a conveyer or other receptacle. I haveshown the upper guides as having stops 27 for limiting the travel of thesheets, but these stops are not essential.

In practice, the article such as tubes or relatively stiff paper orcard-board (all of,

which I comprehend by the designations sheet) after being rinted 'uponand engaging the take-off r01 s 5 and being stripped from the impressioncylinder will pass upwardly onto the inclined guides 12 until the tailof the sheet clears the take-ofi rolls 5, whereupon such tail ends,eitherby momentum or by the mechanical action of the contact rolls, orby gravity, will be carried between such rolls and the cooperating rolls14, tail end first, being guided by the upper guide-members.12.The,sheet isthen fed, tail end first, by the cooperating rolls againstthe lower guides by which it is inverted and delivered printed side uponto the receiver 26. The reversing of the travel of the sheet is thuseffected by the two sets of rolls which so revolve as to form twocouples which will drive the sheet first in one direction and then inthe other, the sheet entering the first couple (the impression cylinderand take-off rolls 5) head end first and entering the second couple(take-off rolls 5 and cooperating rolls 14) tail end first.

It is not necessary that the .two couples for effecting the travel ofthe sheet alternately in opposite directionsbe formed as described,since such couples may be entirely independent of each other. stance, asshown diagrammatically in Fig. l, the discharge of the sheet after beingdelivered into the upper guides may be efi'ected by cooperating rolls14*, 14", the take-off rolls 5 serving only to discharge the sheet intothe upper guides. v It is preferred, however, to utilize one set ofrolls(5) for both couples, as shown in Figs. 1, 2, and 3 each sheet passingfirst over one side of the takeoff rolls and then reversed by theopposite sides of suchxrolls in conjunction with the cooperating rolls14. The rolls may be either positively or frictionally driven, and madeof any suitable material, but I prefer that the take-01f rolls have arubber surface and be frictionally driven, while the cooperating rolls14 preferably have a smooth surface and are positively driven. Thisaffords an economical arrangement and is the least likely to causedamage to the sheet.

I claim as my invention:

1. In combination with a printing press having a rotary cylinder andmeans for stripping a sheet therefrom, an upwardly inclined stationaryguide adapted to receive the sheet as it is stripped from the cylinder,rollers for discharging the sheet fromsaid guide, and a second subjacentguide downwardly inclined and adapted to receive the sheet from saidrollers on its reverse side.

2. In combination with a printing press l having a rotary cylinder andmeans for discharging sheets therefrom, means for receiving each sheetas it is delivered from the For incylinder, positively actuated meansfor discharging it, tailcnd first, from such receiving means, and meansfor inverting or reversing the sheets while being discharged.

3. In combination with a printing press having a rotary cylinder andmeans for discharging sheets therefrom, guides into which each sheetwill be delivered from the cylinder, cooperating rolls for dischargingeach sheet fromsaid guides, and means for directing the sheets as theypass from said rolls.

4. In combination with a printin press having a rotary cylinder andmeans or dis charglng sheets therefrom, guides into which each sheetwill be delivered from the cylinder, rolls for feeding each sheet to andfrom said guides, and means for directing the sheets'as they pass fromsaid guides.

5. In combination with a printing press having a rotary cylinder andguides into which each sheet will be delivered from the sheet from saidguides, tail end first, and

means for directing each sheet as it is discharged from said guides.

-7. In combination with a printing press having a rotary cylinder, andguides into which each sheet will be delivered from the cylinder,take-0E rolls cooperating with said cylinder for discharging the sheetstherefrom, and cooperating rolls engaging said take-off rolls fordischarging each sheet, tail I end first, from said guides.

8. In combination with a printing press and guides into which each sheetwill be delivered, take-off rolls for engaging the impression cylinder,pivoted bearings for said take-ofi' rolls, a second set of rolls forcooperating "in discharging each sheet from said guides, tail end first,pivoted bearings for said second set of rolls, yielding means acting onsaid bearings, and means for directing each sheet as it is dischargedfrom the first mentioned guides by said rolls.

9. In combination with a printing press having a rotary cylinder, andguides into which each sheet is delivered from the cylinder, a shiftableframe, take-01f rolls having pivoted bearings mounted in said frame, asecond set of rolls for cooperating with said take-01f rolls, saidsecond set of rolls having pivoted bearings mounted in said shiftableframe, and springs acting on said bearin s.

10. n combination with a printing press and guides for receiving eachsheet delivered 5 therefrom, rolls for cooperating in moving each sheetin alternate directions, and a second set of rolls for cooperating withthe first mentioned rolls for moving the sheets in one direction, andmeans for reversing each sheet during its movement by the (30- 10operation of said second set of rolls.

In testimony whereof, I have signed this specification in the presenceof two subscribing witnesses.

CHARLES W. HARROLD.

Witnesses:

F. M. SCHAIBLE, F. W. DUNN.

